diurnal
/daɪˈɜrnəl/
adjective
- Active or occurring during the daytime, as opposed to nighttime.
- Most songbirds are diurnal, singing and feeding during the day.
- The zoo's diurnal animals are on exhibit from sunrise to sunset.
- She prefers a diurnal schedule, waking up early and going to bed at dusk.
- Relating to or occurring in a period of 24 hours; daily.
- Doctors monitor a patient's diurnal blood pressure changes.
- The diurnal cycle of the Earth's rotation gives us day and night.
- The diurnal rhythm of the tides is influenced by the moon.
noun
- A diary or journal; a daily record.
- Her diurnal from the 19th century describes life on the frontier.
- The monk wrote a diurnal recording the weather and events at the monastery.
- The explorer kept a diurnal of his travels through the jungle.
- A book containing the daily prayers or offices of the Christian church.
- In the monastery, each monk had his own diurnal for the daily liturgy.
- The old diurnal was hand-copied and decorated with gold leaf.
- The priest read from the diurnal during morning prayers.